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415661241 = 3138553747
BaseRepresentation
bin11000110001100…
…111110010111001
31001222010210000210
4120301213302321
51322402124431
6105125021333
713205030232
oct3061476271
91058123023
10415661241
111a36a2496
12b7254849
1368165bc8
143d2c0089
1526758d46
hex18c67cb9

415661241 has 4 divisors (see below), whose sum is σ = 554214992. Its totient is φ = 277107492.

The previous prime is 415661209. The next prime is 415661269. The reversal of 415661241 is 142166514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 415661241 - 25 = 415661209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415661199 and 415661208.

It is not an unprimeable number, because it can be changed into a prime (415661641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69276871 + ... + 69276876.

It is an arithmetic number, because the mean of its divisors is an integer number (138553748).

Almost surely, 2415661241 is an apocalyptic number.

It is an amenable number.

415661241 is a deficient number, since it is larger than the sum of its proper divisors (138553751).

415661241 is a wasteful number, since it uses less digits than its factorization.

415661241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138553750.

The product of its digits is 5760, while the sum is 30.

The square root of 415661241 is about 20387.7718498123. The cubic root of 415661241 is about 746.2995446457.

The spelling of 415661241 in words is "four hundred fifteen million, six hundred sixty-one thousand, two hundred forty-one".

Divisors: 1 3 138553747 415661241